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WO/2024/000210A1 |
A voltage conversion circuit, comprising: an AC/DC conversion unit, a DC/DC conversion unit, a first control unit, and a second control unit. The AC/DC conversion unit is connected to the DC/DC conversion unit by means of a direct-curren...
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WO/2024/003938A1 |
The invention discloses a hybrid-mode time-based voltage regulator 100, comprising a PID controller 110 that combines analog and digital techniques. It replaces the VCDL-based PD control with digital PD control and utilizes a voltage-con...
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WO/2024/000949A1 |
A DC/AC conversion circuit and a control method therefor, and a modulation method for a cycloconverter. The circuit comprises: an inverter unit (101), which is used for inverting a direct current into an alternating current; at least one...
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WO/2024/006921A1 |
A gate driver circuit which integrates a synchronous bootstrap circuit in an isolation well of an integrated circuit, such that the synchronous bootstrap capacitor connected to the synchronous bootstrap circuit (and to the corresponding ...
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WO/2024/005691A1 |
The present application relates to a method of operating a converter (12) within an operating range, the converter being comprised in an electrical circuit (10) for a vehicle (50), which electrical circuit (10) comprises at least one loa...
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WO/2024/000054A1 |
The invention relates to the implementation of closed-loop current control for three-phase electronic power converters connected to the power grid, based on selective harmonic elimination pulse-width modulation (SHE-PWM) with measured cu...
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WO/2024/003335A1 |
According to one aspect, a device (20) for monitoring a power supply (10) for safety extra low voltage, comprises: a first monitoring element (110), which is designed to monitor a first current (I1) and a first voltage (U1), which are ou...
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WO/2024/002526A1 |
In one embodiment, a method includes receiving DC bus voltage conditions of multiple AC to DC converters of an Input-Series-Output-Parallel power converter during a rectification stage; detecting a peak voltage of each of the DC bus of t...
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WO/2023/247751A1 |
According to a first aspect, the invention provides a device (200-1) for providing a stable DC voltage supply (220). The device (200-1) comprises a matching converter (206) that is electrically conductively connected or connectable, on a...
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WO/2023/248335A1 |
In a semiconductor device (100) for controlling driving of a semiconductor element (10), a current control unit (1) is provided for passing a pulsed current between a negative electrode terminal (S) and a control terminal (G) of the semi...
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WO/2023/249447A1 |
A power conversion device according to an embodiment of the present invention comprises: a power conversion unit that converts and outputs input power; an auxiliary power unit that receives power from a first input/output terminal of the...
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WO/2023/249222A1 |
An electric power control device for power factor correction, according to one embodiment of the present disclosure, comprises: a rectifying unit for rectifying an input current; a first switch and a second switch connected to an output ...
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WO/2023/247516A1 |
The invention relates to a method for generating a pulse width modulation signal that alternates from a first state, having a first specified period duration (T1), to a second state, having a second specified period duration (T2), the pu...
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WO/2023/246484A1 |
Disclosed in the present application are an electric motor control method and apparatus, and a vehicle. The method comprises: acquiring a torque instruction which is obtained on a communication bus; determining a voltage vector instructi...
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WO/2023/249466A1 |
A power conversion device according to one embodiment of the present invention comprises: a power conversion unit which converts an alternating current to a direct current when connected to an alternating current power source to charge a...
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WO/2023/246506A1 |
Disclosed in the present invention are a starting control circuit and a switching power supply system. The circuit comprises: a voltage measurement and action unit, a backlash compensation and starting control unit, and a linear voltage ...
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WO/2023/245292A1 |
Control strategies for phase-modular three-phase single-stage AC-DC converters with simultaneous power factor correction and power balancing features substantially cancel double line frequency ripple in the converter output voltage that ...
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WO/2023/248913A1 |
This gate driving circuit comprises modulation circuits 2, 3, an on-side rectification circuit 4, and an off-side rectification circuit 5. The modulation circuits 2, 3 make the frequencies of a first modulation circuit vTr1 and a second ...
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WO/2023/247353A1 |
An AC to DC power conversion system comprises a plurality of switched-mode DC to DC converters. Each converter has a first input terminal for receiving current from an AC power supply, the respective second input terminals of each conver...
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WO/2023/246855A1 |
An embodiment of the present disclosure provides a DC-DC converter. The DC-DC converter comprises: a first control circuit, a second control circuit, a first transistor, a second transistor, a first inverter, an output capacitor, an indu...
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WO/2023/246481A1 |
The present application discloses a driving circuit having EMI suppression and a vehicle motor driving system. The driving circuit having EMI suppression comprises: a first filtering unit, a second filtering unit, a third filtering unit,...
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WO/2023/246999A1 |
The invention relates to a method for controlling one or more PWM inverters. The method comprises determining first and second periods (P11, P12) of the first PWM inverter for operating the first PWM inverter with respective first and se...
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WO/2023/249224A1 |
An electrical device according to an embodiment of the present disclosure controls operation of a power factor correction circuit by configuring an overvoltage protection level, a low voltage protection level, and an input current limit ...
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WO/2023/246652A1 |
Provided in the embodiments of the present application are a power transmission system and a power generation system. The power transmission system comprises: a power conversion circuit, which is used for performing power conversion on a...
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WO/2023/243418A1 |
This semiconductor device comprises a first switching element, a second switching element, a wiring substrate, a first mount section, a second mount section, a first snubber element, and a second snubber element. The wiring substrate inc...
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WO/2023/242487A1 |
The invention relates to a monitoring method implemented in a vehicle comprising an electric traction motor having an inverter that is periodically subjected to a first temperature measurement and is coupled to a heat-control circuit con...
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WO/2023/244569A1 |
Disclosed are methods, systems, devices, and other implementations, including a voltage converter system that includes two or more Active Half Bridge (AHB) converter circuits, each of the two or more AHB converter circuits connected to o...
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WO/2023/244081A1 |
An embodiment relates to controlling of a power conversion device, and may provide, in order to minimize the influence of noise flowing into a feedback loop, a control technology that allows an AC component of an error signal to be refle...
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WO/2023/243887A1 |
An embodiment provides a power conversion device comprising: a power stage which includes N (N is a natural number equal to or larger than 3) upper switches arranged in parallel with each other and N lower switches arranged in parallel w...
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WO/2023/243003A1 |
A power conversion device (1) comprises an inverter (310), a drive unit (320), and a control unit (400). The drive unit (320) comprises a switching element drive unit (340) that alters the opening/closing characteristics of switching ele...
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WO/2023/240989A1 |
The present application relates to a power supply circuit, a circuit control method, a power supply apparatus and an electronic device. By connecting an energy storage circuit in parallel between a rectifier circuit and a voltage-stabili...
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WO/2023/243751A1 |
The present disclosure relates to a motor driving device, and a vehicle having same. A motor driving device according to an embodiment of the present disclosure comprises: an inverter having a plurality of inverter switching elements; a ...
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WO/2023/242486A1 |
The invention relates to an onboard charger (OBC) comprising the following modules: - a PFC power factor corrector (2); - a DC link capacitor (3); - a transformer (4) connected to the capacitor (3), the transformer having a primary windi...
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WO/2023/242293A1 |
The invention relates to a DC link capacitor module (1) comprising: - at least one capacitor cell (2) comprising a capacitor element (3), - a housing (7) forming a cup (8), the at least one capacitor cell (2) being at least partially pus...
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WO/2023/242836A1 |
A grid-connected converter comprising a power factor controller (PFC) for control of flow of power from a grid supply to a load via a DC link, by switching of at least one active component, which converter including: a voltage controller...
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WO/2023/238301A1 |
This power conversion device (1) comprises an inverter (310) having switching elements (311a-311f), wherein power is supplied to a motor (58) that drives a load by means of the inverter (310), and power with which the motor (58) is not r...
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WO/2023/237100A1 |
The present invention relates to the field of motor-driven technology, and specifically disclosed is a topological circuit system for a hybrid device drive motor. The topological circuit system comprises a motor, a three-level topology c...
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WO/2023/238430A1 |
This power conversion device drives a semiconductor switching element by using PWM control to perform the conversion between DC and AC, wherein: the pulse width of the PWM control is set using a PWM carrier wave; for a carrier frequency,...
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WO/2023/238291A1 |
A power conversion device (1) for performing power conversion comprises: one or more switching elements included in at least one power converter among one or more power converters for performing power conversion; a waveform shape change ...
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WO/2023/239850A1 |
In an example, a circuit (100) includes an emulated current generator (114) configured to provide an emulated current signal responsive to a charge current and a discharge current. The emulated current signal can be representative of an ...
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WO/2023/237248A1 |
The invention relates to a method for operating power electronics (1), in particular an inverter or rectifier, which have at least one half-bridge (2) with two series-connected semiconductor switches (3, 4) and at least one intermediate ...
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WO/2023/237438A1 |
A power conversion system for powering an electrolyser (9), comprising: a rectifier (5) having a DC side (6) comprising a first DC terminal (5a) and a second DC terminal (5b), and an active filter unit (7) comprising a first terminal (7a...
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WO/2023/238293A1 |
This air conditioner (2) for performing air conditioning control comprises: one or more switching elements included in at least one power converter among one or more power converters that perform power conversion; a waveform-shape-changi...
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WO/2023/238292A1 |
A power conversion device (1) that performs conversion of electric power includes one or more switching elements (311a to 311f) included in an inverter (310) that converts direct current electric power into alternating current electric p...
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WO/2023/236668A1 |
Disclosed in the present invention is an adaptive switch-cycle control method applied to a switch power supply. The method comprises: setting a voltage threshold for bus voltages and forming voltage partitions; acquiring a bus voltage an...
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WO/2023/238296A1 |
This electric power conversion device (1) comprises an inverter (310) that has switching elements (311a–311f) that are housed in a semiconductor package (342), and supplies electric power by the inverter (310) to a motor (314) that dri...
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WO/2023/239330A1 |
The present invention relates to a transformerless, high efficiency, three-level, high power density, wide input voltage range, single-phase DC/AC inverter.
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WO/2023/231633A1 |
Embodiments of the present application disclose a driver circuit of a valley-fill circuit, a power supply module and an electronic device. An input voltage end of the driver circuit is used for receiving a power supply provided by a prim...
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WO/2023/231278A1 |
The present application discloses a vacuum on-load tap changer test system. The system comprises a fundamental power supply (100) and a harmonic current source (200); the fundamental power supply (100) is used for generating a fundamenta...
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WO/2023/232671A1 |
The invention relates to an electrical system (10) comprising three electrical converters (32, 34, 36) connected in series with respect to one another, by their DC terminals, between first and second DC terminals and an electrical power ...
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